# Latin Numbers 1 to 20 in Words

1 = Unum, 2 = Duo, 3 = Tres, 4 = Quattuor, 5 = Quinque, 6 = Sex, 7 = Septem, 8 = Octo, 9 = Novem, 10 = Decem……….

## Latin Numerals One to Twenty in Words..

1 to 20 in the old Latin language are spoken as: Unum, Duo, Tres, Quattuor, Quinque, Sex, Septem, Octo, Novem, Decem, Undecim, Duodecim, Tredecim, Quattuordecim, Quindecim, Sedecim, Septendecim, Duodeviginity, Undeviginity and Viginity.

The Latin numbering systems is made up using the following numerals.

Latin Letter I = 1
Latin Letter V = 5
Latin Letter X = 10
Latin Letter L = 50
Latin Letter C = 100
Latin Letter D = 500
Latin Letter M = 1000

### Numbers 1 to 20 with the Latin and English translations

 Number Latin English 1 I Unum One 2 II Duo Two 3 III Tres Three 4 IV Quattuor Four 5 V Quinque Five 6 VI Sex Six 7 VII Septem Seven 8 VIII Octo Eight 9 IX Novem Nine 10 X Decem Ten 11 XI Undecim Eleven 12 XII Duodecim Twelve 13 XIII Tredecim Thirteen 14 XIV Quattuordecim Fourteen 15 XV Quindecim Fifteen 16 XVI Sedecim Sixteen 17 XVII Septendecim Seventeen 18 XVIII Duodeviginity Eighteen 19 XIX Undeviginity Nineteen 20 XX Viginity Twenty

Why is the Latin number  ‘Novem’  only 9 and not 11

Why is the Latin number  ‘Decem’  only 10 and not 12

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